Optical modulation of aqueous metamaterial properties at large scale

被引：5

作者：

Yang, Sui ^{[1
,2
]}

Wang, Yuan ^{[1
,2
]}

Ni, Xingjie ^{[1
]}

Zhang, Xiang ^{[1
,2
,3
]}

机构：

[1] Univ Calif Berkeley, NSF Nanoscale Sci & Engn Ctr NSEC, Berkeley, CA 94720 USA

[2] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Mat Sci, Berkeley, CA 94720 USA

[3] King Abdulaziz Univ, Dept Phys, Jeddah 21589, Saudi Arabia

来源：

OPTICS EXPRESS | 2015年 / 23卷 / 22期

基金：

美国国家科学基金会;

关键词：

NEGATIVE REFRACTIVE-INDEX; SYMMETRY-BREAKING; DNA; TRANSITION; PHASE;

D O I：

10.1364/OE.23.028736

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Dynamical control of metamaterials by adjusting their shape and structures has been developed to achieve desired optical functionalities and to enable modulation and selection of spectra responses. However it is still challenging to realize such a manipulation at large scale. Recently, it has been shown that the desired high (or low) symmetry metamaterials structure in solution can be self-assembled under external light stimuli. Using the this approach, we systematically investiagted the optical controlling process and report here a dynamical manipulation of magnetic properties of metamaterials. Under external laser excitations, we demonstrated that selected magnetic properties of metamaterials can be tuned with the freedom of chosen wavelength ranges. The magnetic dipole selectivity and tunability were further quantified by in situ spectral measurement. (C) 2015 Optical Society of America

引用

页码：28736 / 28741

页数：6

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